105.0 MHz SAW Filter
Part Number
251012B
1. Features
Typical 1dB bandwidth of
10.3 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Operating Temperature : -30℃ ~ +80℃
℃
℃
Center Frequency (fo)
Insertion Loss
1 dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 4.51 MHz)
Group Delay Variation (fo ± 4.51 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
℃
Minimum
-
-
10.1
-
-
-
-
-
48
Typical
105.0
22.5
10.31
10.63
11.91
0.5
50
1.95
53
-72
Maximum
-
24.0
-
-
12.0
1.0
100
2.00
-
Room Temperature : +25℃
℃
Insertion Loss
Amplitude Ripple (fo ± 4.94 MHz)
Group Delay Variation (fo ± 4.94 MHz)
dB
dB
nsec
Minimum
-
-
-
Typical
22.5
0.5
50
Maximum
24.0
1.0
100
D2012 Package Dimension
1
Input
50
Ω
Matching Schematic
5
L2
Output
50
Ω
12.7±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
L1
ITF 13A001
251012B
105-10.3M
0.45±0.05
20.3±0.5
2.5±0.2
C1
12.7±0.2
C2
L1 = L2 = 33nH, C1 = C2 = 47pF
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Pin Configuration
Input
Output
1
5
Ground
Others
2,4
Ground
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2013. 03. 25
Rev 1.0
105.0 MHz SAW Filter
Part Number
251012B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -22.2 dB
REF -22.68 dB
4 Jan 2012 16:35:09
1: 0. 0000 dB
0. 000 000 MHz
3:- . 04340 dB
9. 880 000 MHz
CH1 S21
LOG
10 dB/
40dB Bandwidth
REF -22.4 dB
4 Jan 2012 16:34:06
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
BW 10. 317607 MHz
:
Cor
cent : 105 . 107727 MHz
Q: 10. 187
1_loss : -22 . 458 dB
1
2
Cor
1
2
CH1 Markers
REF=1
BW 11. 917042 MHz
:
cent : 105 . 089433 MHz
Q: 8. 8184
1_loss : -22 . 510 dB
3
3
2
Cor
4
CH2 Markers
REF=2
mean:-22 . 475 dB
s. dev : . 10810 dB
p-p : . 50530 dB
3
4
CENTER 105 . 000 000 MHz
SPAN 13. 000 000 MHz
CENTER 105 . 000 000 MHz
SPAN 38. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
200 ns/
REF -22.2 dB
REF 2.09 us
4 Jan 2012 16:35:28
1: 0. 0000 dB
0. 000 000 MHz
3:-13 . 101 ns
9. 880 000 MHz
CH1 S21
LOG
10 dB/
50dB Bandwidth
REF -22.4 dB
4 Jan 2012 16:34:19
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
BW 10. 636480 MHz
:
Cor
cent : 105 . 106417 MHz
Q: 9. 8817
1_loss : -22 . 441 dB
1
2
Cor
1
2
CH1 Markers
REF=1
BW 12. 033821 MHz
:
cent : 105 . 090667 MHz
Q: 8. 7329
1_loss : -22 . 510 dB
3
Smo
Cor
3
2
CH2 Markers
REF=2
mean:41. 9597 us
s. dev : 11. 682 ns
p-p : 54. 697 ns
3
4
CENTER 105 . 000 000 MHz
SPAN 13. 000 000 MHz
CENTER 105 . 000 000 MHz
SPAN 38. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
REF -24.46 dB
4 Jan 2012 16:38:36
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
SWR(S11 & S22)
REF 6.112
REF 6.791
4 Jan 2012 16:36:29
1: 6. 1228
105 . 000 000 MHz
2: 6. 7871
105 . 000 000 MHz
CH1 Markers
REF=1
2:-72 . 710 dB
105. 000 MHz
3:-63 . 245 dB
210. 000 MHz
Cor
1
1
Cor
2
3
START
. 010 000 MHz
2
STOP 350 . 000 000 MHz
CENTER 105 . 000 000 MHz
SPAN 38. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2013. 03. 25
Rev 1.0
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